readwrite KVM testing on Ubuntu 20.04 via the Phoronix Test Suite. mq-deadline: Processor: Intel Core i7-11700 (4 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 4096MB, Disk: 4GB FEMU BlackBox-SSD + 86GB QEMU HDD, Graphics: llvmpipe, Monitor: QEMU Monitor, Network: Red Hat Virtio device OS: Ubuntu 20.04, Kernel: 5.13.0-51-generic (x86_64), Desktop: GNOME Shell 3.36.9, Display Server: X Server 1.20.13, OpenGL: 4.5 Mesa 21.2.6 (LLVM 12.0.0 256 bits), Vulkan: 1.1.182, Compiler: GCC 9.4.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM none: Processor: Intel Core i7-11700 (4 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 4096MB, Disk: 4GB FEMU BlackBox-SSD + 86GB QEMU HDD, Graphics: llvmpipe, Monitor: QEMU Monitor, Network: Red Hat Virtio device OS: Ubuntu 20.04, Kernel: 5.13.0-51-generic (x86_64), Desktop: GNOME Shell 3.36.9, Display Server: X Server 1.20.13, OpenGL: 4.5 Mesa 21.2.6 (LLVM 12.0.0 256 bits), Vulkan: 1.1.182, Compiler: GCC 9.4.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM kyber: Processor: Intel Core i7-11700 (4 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 4096MB, Disk: 4GB FEMU BlackBox-SSD + 86GB QEMU HDD, Graphics: llvmpipe, Monitor: QEMU Monitor, Network: Red Hat Virtio device OS: Ubuntu 20.04, Kernel: 5.13.0-51-generic (x86_64), Desktop: GNOME Shell 3.36.9, Display Server: X Server 1.20.13, OpenGL: 4.5 Mesa 21.2.6 (LLVM 12.0.0 256 bits), Vulkan: 1.1.182, Compiler: GCC 9.4.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM bfq: Processor: Intel Core i7-11700 (4 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 4096MB, Disk: 4GB FEMU BlackBox-SSD + 86GB QEMU HDD, Graphics: llvmpipe, Monitor: QEMU Monitor, Network: Red Hat Virtio device OS: Ubuntu 20.04, Kernel: 5.13.0-51-generic (x86_64), Desktop: GNOME Shell 3.36.9, Display Server: X Server 1.20.13, OpenGL: 4.5 Mesa 21.2.6 (LLVM 12.0.0 256 bits), Vulkan: 1.1.182, Compiler: GCC 9.4.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM Flexible IO Tester 3.29 Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory IOPS > Higher Is Better mq-deadline . 3458 |========================================================== none ........ 3513 |=========================================================== kyber ....... 3308 |======================================================== bfq ......... 3267 |======================================================= Flexible IO Tester 3.29 Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory MB/s > Higher Is Better mq-deadline . 1731 |========================================================== none ........ 1758 |=========================================================== kyber ....... 1656 |======================================================== bfq ......... 1635 |======================================================= Flexible IO Tester 3.29 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory IOPS > Higher Is Better mq-deadline . 3409 |=========================================================== none ........ 3315 |========================================================= kyber ....... 3277 |========================================================= bfq ......... 3224 |======================================================== Flexible IO Tester 3.29 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory MB/s > Higher Is Better mq-deadline . 1706 |=========================================================== none ........ 1659 |========================================================= kyber ....... 1641 |========================================================= bfq ......... 1614 |======================================================== Flexible IO Tester 3.29 Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory IOPS > Higher Is Better mq-deadline . 327 |================================================ none ........ 369 |====================================================== kyber ....... 409 |============================================================ bfq ......... 328 |================================================ Flexible IO Tester 3.29 Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory MB/s > Higher Is Better mq-deadline . 165 |================================================ none ........ 186 |====================================================== kyber ....... 206 |============================================================ bfq ......... 166 |================================================ Flexible IO Tester 3.29 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory IOPS > Higher Is Better mq-deadline . 358 |=================================================== none ........ 359 |=================================================== kyber ....... 425 |============================================================ bfq ......... 362 |=================================================== Flexible IO Tester 3.29 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory MB/s > Higher Is Better mq-deadline . 181 |=================================================== none ........ 181 |=================================================== kyber ....... 214 |============================================================ bfq ......... 183 |===================================================